![]() ![]() ![]() Nervous System: Histology activity, and metabolism. Sleep is a reversible phase of diminished responsiveness, motor Motor Neurons which send impulses peripherally to activate muscles or secretory cells. Sleep disorders can be primary (which do not stem from any health problem) or can be attributable to underlying conditions or medications. Nervous System: Anatomy, Structure, and Classification waves, along with ocular and motor Motor Neurons which send impulses peripherally to activate muscles or secretory cells. The developed brain consists of cerebrum cerebellum and other structures in the brain stem. Arising from the neural tube, the embryonic brain is comprised of three major parts including prosencephalon (the forebrain) mesencephalon (the midbrain) and rhombencephalon (the hindbrain). The sleep stages and associated disorders are studied through the use of polysomnography, a multimodal test evaluating the brain Brain The part of central nervous system that is contained within the skull (cranium). ![]() REM sleep is characterized by rapid irregular eye movement, but with voluntary muscle atonia Atonia Flaccidity, no resistance to passive motion Neurological Examination. NREM sleep, consisting of 3 stages, represents the period of transition from wakefulness, somnolence, and then deep sleep. This process is a complex and dynamic phenomenon, occurring in 4–5 cycles a night, and generally divided into non–rapid eye movement (NREM) sleep and REM sleep stages. Students: Educators’ Pro Tips for Tough Topics.Maternity Nursing and Care of the Childbearing Family. ![]()
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